There are 55 mathematicians whose last name begin with PIA.
| Pia, Nicola | Università degli Studi di Cagliari | 2019 |
| Piacentini, Andrea | ||
| Piacenza, Robert | University of Miami | 1976 |
| Piacitelli, Gherardo | Università degli Studi di Padova | 2002 |
| Piacquadio Losada, Maria | University of Warwick | 1988 |
| Piacun, Norma | Auburn University | 1967 |
| Piaget, Jean | Université de Neuchâtel | 1920 |
| Pian, Chao-Kuang | North Carolina State University | 1971 |
| Piana, Julien | École Centrale | 1996 |
| Pianka, Eric | University of Washington | 1965 |
| Piano, Ennio | George Mason University | 2019 |
| Pianskool, Sajee | Swansea University | 2000 |
| Piantadosi, Julia | University of South Australia | 2004 |
| Piantadosi, Steven | University of Alabama-Birmingham | 1982 |
| Piantanida, Pablo | Université Paris-Sud XI - Orsay | 2007 |
| Piantella, Ana | Universidade de São Paulo | 2007 |
| Pianzola, Arturo | University of Saskatchewan | 1984 |
| Piao, Daxiong | Peking University | 1999 |
| Piao, Kwang-Il | Ajou University | 2007 |
| Piao, Longjian | Technische Universiteit Delft | 2022 |
| Piao, Xiangfan | Kyungpook National University | 2012 |
| Piao, Xiaoxue | Queen's University at Kingston | 2011 |
| Piao, Yinghu | University of British Columbia | 1997 |
| Piard, Eric | University of Florida | 1993 |
| Piasecka, Joanna | Katolicki Uniwersytet Lubelski Jana Pawła II | 2004 |
| Piasecki, Jaroslaw | Uniwersytet Warszawski | 1967 |
| Piasecki, Łukasz | Uniwersytet Marii Curie-Skłodowskiej | 2012 |
| Piasecki, Marek | Uniwersytet Warszawski | 1995 |
| Piasetska, Tetyana | Donetsk University | 1977 |
| Piasta, Stanisław | Institute of Mathematics, Polish Academy of Sciences | 1971 |
| Piastra, Maria Carla | Westfälische Wilhelms-Universität Münster | 2019 |
| Piat, William | 2023 | |
| Piątek, Bożena | Uniwersytet Pedagogiczny | 2007 |
| Piatek-Jimenez, Katrina | University of Arizona | 2004 |
| Piater, Justus | University of Massachusetts Amherst | 2000 |
| Piatetski-Shapiro, Ilya | Moscow State Pedagogical Institute | 1954 |
| Piatier, André | ||
| Piatkiewicz, Leszek | University of South Carolina | 1994 |
| Piatko, Christine | Cornell University | 1993 |
| Piatkowski, Nico | Technische Universität Dortmund | 2018 |
| Piątkowski, Andrzej | Polska Akademia Nauk | 1985 |
| Piatrovich, Siarhei | University of California, Irvine | 2008 |
| Piau, Didier | Université Claude Bernard Lyon 1 | 1994 |
| Piazza, Adriana | Universidad de Chile | 2007 |
| Piazza, Adriana | Université Montpellier II | 2007 |
| Piazza, Barry | Clemson University | 1985 |
| Piazza, Carla | Università degli Studi di Udine | 2002 |
| Piazza, Daniele | Drexel University | 2009 |
| Piazza, Paolo | Massachusetts Institute of Technology | 1991 |
| Piazza, Roberto | Université du Luxembourg | 2015 |
| Piazzai, Michele | Technische Universiteit Delft | 2018 |
| Piazzera, Susanna | Eberhard-Karls-Universität Tübingen | 1999 |
| Piazzesi, Monika | Stanford University | 2000 |
| Piazzola, Chiara | Universität Innsbruck | 2019 |
| Piazzon, Federico | Università degli Studi di Padova | 2016 |